diff --git a/doc/examples/basic/src/py/basic/__init__.py b/doc/examples/basic/src/py/basic/__init__.py
index 642c7f8d..c6a985cd 100644
--- a/doc/examples/basic/src/py/basic/__init__.py
+++ b/doc/examples/basic/src/py/basic/__init__.py
@@ -1,7 +1,7 @@
 from __module import BinomialDistribution, Overload, ProbabilityError
 
 def _repr_latex_(self):
-    return r"$\mathcal{B}\left(" + str(self.n) + ", " str(round(self.get_pi(), 2)) + r"\right)$"
+    return r"$\mathcal{B}\left(" + str(self.n) + ", " + str(round(self.get_pi(), 2)) + r"\right)$"
 
 BinomialDistribution._repr_latex_ = _repr_latex_
 del _repr_latex_
\ No newline at end of file